Costco Wholesale Corp (COST)

In the past 90 days, Costco Wholesale Corp has seen six insider trading transactions, all of which were sales, totaling approximately $10.5 million. Notably, four executives, including Patrick J. Callans and James C. Klauer, were involved in significant sell-offs, with individual transactions exceeding $3 million. The company's stock has increased by 6.9% over the same period, and the last earnings report indicated a slight earnings beat of 1.24%. The next earnings report is scheduled for September 30, 2025.

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Stock chart
Ticker: COST Exchange: NSM


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-06-20 2025-06-18 S Sale

DECKER SUSAN L

Non-Executive Director
1,000 -0.0%
978.40
USD 978 		1,000 -0.0% 978.40 USD 100,000
2025-06-20 2025-06-18 S Sale

DECKER SUSAN L

Non-Executive Director
1,000 -4.5%
980.00
USD 535,080 		1,000 -4.5% 980.00 USD 100,000
2025-06-10 2025-06-09 S Sale

Callans Patrick J

Executive Vice President

Officer
3,000 -4.9%
1,002.77
USD 3,008,298 		3,000 -4.9% 1,002.77 USD 3,008,298
2025-06-09 2025-06-06 S Sale

Riel Pierre

Executive Vice President

Officer
2,000 -19.6%
1,014.15
USD 2,028,294 		2,000 -19.6% 1,014.15 USD 2,028,294
2025-04-21 2025-04-17 S Sale

Klauer James C

Executive Vice President

Officer
4,000 -8.3%
981.07
USD 3,924,280 		4,000 -8.3% 981.07 USD 3,924,280
2025-03-27 2025-03-27 S Sale

MILLERCHIP GARY

Executive Vice President

Officer
1,100 -9.0%
940.01
USD 1,034,007 		1,100 -9.0% 940.01 USD 1,034,007
2025-03-25 2025-03-24 S Sale

Adamo Claudine

Executive Vice President

Officer
900 -11.4%
922.56
USD 830,304 		900 -11.4% 922.56 USD 830,304
2025-03-20 2025-03-18 S Sale

Frates Caton

Executive Vice President

Officer
850 -9.7%
900.25
USD 765,213 		850 -9.7% 900.25 USD 765,213
2025-03-13 2025-03-11 S Sale

Vachris Roland Michael

President and CEO

Executive Director
3,600 -8.1%
931.00
USD 3,351,600 		3,600 -8.1% 931.00 USD 3,351,600
2024-10-24 2024-10-24 S Sale

GALANTI RICHARD A

Executive Vice President

Executive Director
1,416 -4.9%
894.68
USD 1,267,280 		1,416 -4.9% 894.68 USD 1,267,280
2024-10-24 2024-10-23 S Sale

Jones Teresa A.

Executive Vice President

Officer
800 -21.3%
896.55
USD 717,236 		800 -21.3% 896.55 USD 717,236
2024-10-15 2024-10-15 S Sale

Riel Pierre

Executive Vice President

Officer
2,000 -16.4%
896.71
USD 1,793,426 		2,000 -16.4% 896.71 USD 1,793,426
2024-10-15 2024-10-11 S Sale

Miller Russell D

Sr. Executive Vice President

Officer
4,400 -30.1%
891.15
USD 3,921,069 		4,400 -30.1% 891.15 USD 3,921,069
2024-10-02 2024-09-30 S Sale

Adamo Claudine

Executive Vice President

Officer
3,200 -27.1%
888.99
USD 2,844,778 		3,200 -27.1% 888.99 USD 2,844,778
2024-10-02 2024-09-30 S Sale

Frates Caton

Executive Vice President

Officer
1,700 -14.9%
883.35
USD 1,501,695 		1,700 -14.9% 883.35 USD 1,501,695
2024-10-02 2024-09-30 S Sale

Callans Patrick J

Executive Vice President

Officer
2,500 -3.6%
893.94
USD 2,234,850 		2,500 -3.6% 893.94 USD 2,234,850
2024-08-15 2024-08-15 S Sale

GALANTI RICHARD A

Executive Vice President

Executive Director
500 -2.1%
874.05
USD 437,025 		500 -2.1% 874.05 USD 437,025
2024-08-15 2024-08-15 S Sale

DECKER SUSAN L

Non-Executive Director
620 -5.0%
876.50
USD 543,430 		620 -5.0% 876.50 USD 543,430
2024-08-15 2024-08-13 S Sale

GALANTI RICHARD A

Executive Vice President

Executive Director
500 -2.1%
863.88
USD 431,938 		500 -2.1% 863.88 USD 431,938
2024-08-29 2024-07-25 S Sale

Jones Teresa A.

Executive Vice President

Officer
4 -0.1%
832.55
USD 3,330 		4 -0.1% 832.55 USD 3,330
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